
The UK's trusted pipeline inspection, repair and maintenance specialists.
National Gas Services is the UK's leading specialist provider of planned and emergency gas pipeline inspection, repair, maintenance and replacement services.
Our in-house expertise and nationwide resources enable us to provide a complete one-stop shop for all types of pipeline intervention work, on any scale.
We have more than 45 years’ experience as the UK’s emergency response unit, serving national and local gas pipeline operators.
Our network of strategically positioned depots around the UK enables our engineers to provide a rapid response to any gas pipeline emergency.
As well as emergency response, we provide a full range of planned inspection, maintenance and repair services for the National Transmission System (NTS) and our Gas Distribution Network (GDN) customers.
Our expertise spans the wide range of materials and pressures used in both the NTS and GDNs. We can carry out works in the role of principal contractor, contractor or sub-contractor.
Supporting a clean energy future
National Gas Services is set to play a leading role in repurposing the NTS to carry hydrogen – supporting the UK’s decarbonisation programme. Our pipeline servicing expertise will help to deliver low-carbon hydrogen across the country, including to power stations and major industries, as well as enabling interconnectivity with future hydrogen storage and production facilities.
Our values
- Simplicity: We understand that the complex nature of our industry can be navigated more effectively through clear and straightforward processes. We uphold the principle of simplicity as a cornerstone of our operations.
- Ownership: Ownership not only creates a sense of pride and accountability, it also drives the overall success of our operations. An 'ownership' mindset means we are proactive problem-solvers, dedicated to continuous improvement.
- Progress: Progress is not just a concept but a driving force that encourages our team to refine processes, adopt cutting-edge technologies, and stay ahead in a dynamic industry.
Our depots: where to find us

Derbyshire
1 Ambergate
Ripley Road
Ambergate
Derbyshire DE56 2FZ
Glasgow
Moorpark Centre
60 Dava Street
Glasgow G51 2BQ
Knowsley
Unit 3
Platinum Court
Alchemy Way
Knowsley L33 7XN
Birmingham
Unit 10
Holford Drive
Witton
Birmingham B6 7AX
Hitchin
Cadwell Lane
Hitchin SG4 OSL
Cardiff
Unit H1
Capital Business Park
Parkway
Wentloog
Cardiff CF3 2PU

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Specialist pipeline inspection, maintenance, repair and upgrade services.
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